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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Toxicol Appl Pharmacol. 2012 Oct 2;265(2):166–174. doi: 10.1016/j.taap.2012.09.023

Figure 1.

Figure 1

Exposure regime (A) and effect of PCB126 on swimbladder inflation (B) in developing zebrafish. A) At 1 dpf embryos were exposed to PCB126 (in DMSO) mixed in 0.3× Danieau’s solution at nominal concentrations ranging from 0.5 to 10 nM (0.02% DMSO), or 0.02% DMSO only. After 24 hours of exposure, the embryos were transferred to clean 0.3× Danieau’s solution. The 0.3× Danieau’s solution was also refreshed on day three. The experiment was ended on day four at which numbers of embryos exhibiting disrupted swimbladder inflation in the different exposure groups were counted. B) The bar representing the 2-nM PCB126 exposure group shows data from 454 embryos, while all other bars show data from 214–232 embryos.